Hormone
bombesin Audio
[ bom-beh-sin ]
Subclass of:
Amphibian Venoms; peptide hormone; Neuropeptides
Definitions related to bombesin:
  • A peptide (small protein) found in the brain, gastrointestinal tract, and lungs. It causes the release of certain hormones and enzymes. It also causes smooth muscles to contract. Bombesin is found at high levels on small cell lung cancer cells and on other types of cancer cells. It is a type of neuropeptide and a type of hormone.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • A tetradecapeptide originally obtained from the skins of toads Bombina bombina and B. variegata. It is also an endogenous neurotransmitter in many animals including mammals. Bombesin affects vascular and other smooth muscle, gastric secretion, and renal circulation and function.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Tetradecapeptide; endogenous neurotransmitter in many animals including mammals; affects vascular and other smooth muscle, gastric secretion, and renal circulation and function; originally obtained from the skins of toads of the genus Bombina.
    CRISP Thesaurus
    National Institutes of Health, 2006
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